[#7308] Sometimes kernel hangs in bf561-ezkit smp kernel

Submitted By: Vivi Li

Open Date

2012-09-04 01:32:37 Close Date

2012-09-06 22:23:48

Priority:

Medium Assignee:

steven miao

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

BF561 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2012_Aug_09

App binary format:

N/A

Summary: Sometimes kernel hangs in bf561-ezkit smp kernel

Details:

Sometimes kernel fails to boot in bf561-ezkit smp and hang at different places.

Bellow it stops at NET in nbench test:

U-Boot 2011.09-svn2739 (ADI-2011R1) (Nov 07 2011 - 18:54:48)

CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)

Board: ADI BF561 EZ-Kit Lite board

Support: http://blackfin.uclinux.org/

Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz

RAM: 64 MiB

Flash: 8 MiB

In: serial

Out: serial

Err: serial

KGDB: [on serial] ready

Net: SMC91111-0

Hit any key to stop autoboot: 0

bfin> printenv bootargs

bootargs=root=/dev/mtdblock0 rw ip=10.100.4.50 earlyprintk=serial,uart0,57600 console=ttyBF0,57600

bfin>

bfin> tftpboot 0x1000000 uImage; run addip; bootm

SMC91111: MAC 00:e0:22:fe:ba:29

Using SMC91111-0 device

TFTP from server 10.100.4.174; our IP address is 10.100.4.50

Filename 'uImage'.

Load address: 0x1000000

Loading: #################################################################

#################################################################

###############

done

Bytes transferred = 4035371 (3d932b hex)

## Booting kernel from Legacy Image at 01000000 ...

Image Name: bf561-0.5-3.5.0-ADI-2012R1-pre-0

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 4035307 Bytes = 3.8 MiB

Load Address: 00001000

Entry Point: 001e1214

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 001e1214

Linux version 3.5.0-ADI-2012R1-pre-00831-g3fee378 (test@uclinux65-561-SMP) (gcc version 4.3.5 (ADI-2012R1-RC2) ) #60 SMP Mon Sep2

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0014e328

rodata = 0x0014e340-0x001b2a24

bss = 0x001b3000-0x001c4da4

data = 0x001c4dc0-0x001da000

stack = 0x001d8000-0x001da000

init = 0x001da000-0x00797000

available = 0x00797000-0x03f00000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace active and enabled

Boot Mode: 0

Reset caused by Software reset

Compiled for ADSP-BF561 Rev 0.5

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 600 MHz core clock and 100 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

L2 SRAM : uncacheable in instruction cache

Data Cache Enabled for CPU0

External memory: cacheable (write-through) in data cache

L2 SRAM : uncacheable in data cache

PERCPU: Embedded 7 pages/cpu @0081c000 s5440 r8192 d15040 u32768

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 16002

Kernel command line: root=/dev/mtdblock0 rw ip=10.100.4.50 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50:10f

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 56100k/65536k RAM, (5876k init code, 1332k kernel code, 560k data, 1024k dma, 644k reserved)

Hierarchical RCU implementation.

NR_IRQS:153

Configuring Blackfin Priority Driven Interrupts

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 1185.79 BogoMIPS (lpj=2371584)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 512

Booting Core B.

Instruction Cache Enabled for CPU1

External memory: cacheable in instruction cache

L2 SRAM : uncacheable in instruction cache

Data Cache Enabled for CPU1

External memory: cacheable (write-through) in data cache

L2 SRAM : uncacheable in data cache

Brought up 2 CPUs

SMP: Total of 2 processors activated (2371.58 BogoMIPS).

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 16 KB (15 KB free)

Blackfin L2 SRAM: 128 KB (127 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezkit_init(): registering device resources

bio: create slab <bio-0> at 0

bfin-spi bfin-spi.0: master is unqueued, this is deprecated

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs@ffc00500, dma channel@16

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 2, 16384 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP: reno registered

UDP hash table entries: 256 (order: 1, 8192 bytes)

UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)

NET: Registered protocol family 1

debug-mmrs: setting up Blackfin MMR debugfs

msgmni has been set to 109

io scheduler noop registered (default)

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 35) is a BFIN-UART

brd: module loaded

physmap platform flash device: 00800000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000020 Chip ID 0x0022ed

Amd/Fujitsu Extended Query Table at 0x0040

Amd/Fujitsu Extended Query version 1.3.

physmap-flash.0: Swapping erase regions for top-boot CFI table.

number of CFI chips: 1

Creating 5 MTD partitions on "physmap-flash.0":

0x000000000000-0x000000040000 : "bootloader(nor)"

0x000000040000-0x000000200000 : "linux kernel(nor)"

0x000000200000-0x0000007f0000 : "file system(nor)"

0x0000007f0000-0x0000007fe000 : "config(nor)"

0x0000007fe000-0x000000800000 : "u-boot env(nor)"

smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <nico@fluxnic.net>

eth0: SMC91C11xFD (rev 2) at 2c010300 IRQ 82 [nowait]

eth0: Ethernet addr: 00:e0:22:fe:ba:29

bfin_wdt: initialized: timeout=20 sec (nowayout=0)

TCP: cubic registered

NET: Registered protocol family 17

Bellow it stops at msgmni in smbfs test:

U-Boot 2011.09-svn2739 (ADI-2011R1) (Nov 07 2011 - 18:54:48)

CPU: ADSP bf561-0.3 (Detected Rev: 0.5) (bypass boot)

Board: ADI BF561 EZ-Kit Lite board

Support: http://blackfin.uclinux.org/

Clock: VCO: 600 MHz, Core: 600 MHz, System: 100 MHz

RAM: 64 MiB

Flash: 8 MiB

In: serial

Out: serial

Err: serial

KGDB: [on serial] ready

Net: SMC91111-0

Hit any key to stop autoboot: 0

bfin> tftpboot 0x2000000 uImage; run addip; bootm

SMC91111: MAC 00:e0:22:fe:ba:29

Using SMC91111-0 device

TFTP from server 10.100.4.174; our IP address is 10.100.4.50

Filename 'uImage'.

Load address: 0x2000000

Loading: #################################################################

#################################################################

########################

done

Bytes transferred = 4168635 (3f9bbb hex)

## Booting kernel from Legacy Image at 02000000 ...

Image Name: bf561-0.5-3.5.0-ADI-2012R1-pre-0

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 4168571 Bytes = 4 MiB

Load Address: 00001000

Entry Point: 0021f214

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 0021f214

Linux version 3.5.0-ADI-2012R1-pre-00831-g3fee378 (test@uclinux65-561-SMP) (gcc version 4.3.5 (ADI-2012R1-RC2) ) #54 SMP Sun Sep2

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x00177978

rodata = 0x00177980-0x001f028c

bss = 0x001f1000-0x00202e24

data = 0x00202e40-0x00218000

stack = 0x00216000-0x00218000

init = 0x00218000-0x007d7000

available = 0x007d7000-0x03f00000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace active and enabled

Boot Mode: 0

Reset caused by Software reset

Compiled for ADSP-BF561 Rev 0.5

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 600 MHz core clock and 100 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

L2 SRAM : uncacheable in instruction cache

Data Cache Enabled for CPU0

External memory: cacheable (write-through) in data cache

L2 SRAM : uncacheable in data cache

PERCPU: Embedded 7 pages/cpu @0085c000 s5440 r8192 d15040 u32768

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 16002

Kernel command line: root=/dev/mtdblock0 rw ip=10.100.4.50 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50:10f

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 55844k/65536k RAM, (5884k init code, 1498k kernel code, 642k data, 1024k dma, 644k reserved)

Hierarchical RCU implementation.

NR_IRQS:153

Configuring Blackfin Priority Driven Interrupts

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 1185.79 BogoMIPS (lpj=2371584)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 512

Booting Core B.

Instruction Cache Enabled for CPU1

External memory: cacheable in instruction cache

L2 SRAM : uncacheable in instruction cache

Data Cache Enabled for CPU1

External memory: cacheable (write-through) in data cache

L2 SRAM : uncacheable in data cache

Brought up 2 CPUs

SMP: Total of 2 processors activated (2371.58 BogoMIPS).

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 16 KB (15 KB free)

Blackfin L2 SRAM: 128 KB (127 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezkit_init(): registering device resources

bio: create slab <bio-0> at 0

bfin-spi bfin-spi.0: master is unqueued, this is deprecated

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs@ffc00500, dma channel@16

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 2, 16384 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP: reno registered

UDP hash table entries: 256 (order: 1, 8192 bytes)

UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)

NET: Registered protocol family 1

debug-mmrs: setting up Blackfin MMR debugfs

msgmni has been set to 109

Follow-ups

--- steven miao 2012-09-06 23:18:55

fixed by avoid deadlock

--- Mingquan Pan 2012-09-06 23:23:58

The smp kernel boot up on bf561 stably now. Close.

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